委内瑞拉石油公司 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "委内瑞拉石油公司" in Chinese language version.

refsWebsite

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4web.archive.org

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1^st place

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81^st place

low place

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1ad-hoc-news.de

low place

low place

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low place

ad-hoc-news.de

Archived copy. [2009-02-01]. （原始内容存档于2009-04-18）.

citgo.com

CITGO - About us. [2018-08-21]. （原始内容存档于2018-08-22）.

pdvsa.com

PETRÓLEOS DE VENEZUELA, S.A. AND SUBSIDIARIES (PDVSA) (PDF). PDVSA. [2 July 2018]. （原始内容存档 (PDF)于2018-07-12）.

reuters.com

Venezuela's PDVSA oil revenue tumbles amid lower prices, production. Reuters. 12 August 2017 [13 March 2018]. （原始内容存档于2018-06-25）.

web.archive.org

Venezuela's PDVSA oil revenue tumbles amid lower prices, production. Reuters. 12 August 2017 [13 March 2018]. （原始内容存档于2018-06-25）.
PETRÓLEOS DE VENEZUELA, S.A. AND SUBSIDIARIES (PDVSA) (PDF). PDVSA. [2 July 2018]. （原始内容存档 (PDF)于2018-07-12）.
Archived copy. [2009-02-01]. （原始内容存档于2009-04-18）.
CITGO - About us. [2018-08-21]. （原始内容存档于2018-08-22）.